Melissa Gregorius, CRNA
NPI 1942440359 · Certified Registered Nurse Anesthetist · Redlands, CA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Gregorius, CRNA is a Certified Registered Nurse Anesthetist provider in Redlands, CA (NPI 1942440359).
Provider details
- NPI number
- 1942440359
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 595317 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-24
- Last updated
- 2022-02-01
- Certified
- 2022-02-01
Frequently asked questions
- What is Melissa Gregorius's NPI number?
- Melissa Gregorius's National Provider Identifier (NPI) is 1942440359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Gregorius's specialty?
- Melissa Gregorius is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Gregorius located?
- Melissa Gregorius's practice location on file with NPPES is 915 La Flora Dr, Redlands, CA 92373.
- What is Melissa Gregorius's phone number?
- The practice phone number listed in the NPPES registry for Melissa Gregorius is (909) 556-0325.
- Does Melissa Gregorius accept Medicare?
- Melissa Gregorius is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Gregorius's NPI active?
- Yes — Melissa Gregorius's NPI (1942440359) is active in the NPPES registry as of the last update on 2022-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.